Variation in the spike protein of the 793/B type of infectious bronchitis virus, in the field and during alternate passage in chickens and embryonated eggs

Author: Cavanagh David   Picault Jean-Paul   Gough Richard   Hess Michael   Mawditt Karen   Britton Paul  

Publisher: Taylor & Francis Ltd

ISSN: 1465-3338

Source: Avian Pathology, Vol.34, Iss.1, 2005-02, pp. : 20-25

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Abstract